Home / 166,488.39-229,753.95-91,036.89

Finding the Fourth Proportional to 166,488.39, 229,753.95 and 91,036.89

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Solution

The fourth proportional to 166,488.39, 229,753.95 and 91,036.89 is: 125,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,488.39 : 229,753.95 = 91,036.89 : x
  2. Step 2: Convert to fraction form
    166,488.39/229,753.95 = 91,036.89/x
  3. Step 3: Cross multiply
    166,488.39x = 229,753.95 × 91,036.89
  4. Step 4: Simplify right side
    166,488.39x = 20,916,085,073.22
  5. Step 5: Solve for x
    x = 20,916,085,073.22/166,488.39
  6. Step 6: Final answer
    x = 125,630.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.